RichGK

You're talking about this being an attempt to get someone to switch? I think your confused about who this lens is aimed at.

At least 7 years? OK for digital but I had an Instamatic in 1978 and they have been available fora lot longer than that.

I didn't know how to word that exactly - If I have two copies of a lens made about 4 years apart they should gather the same amount if light as each other in the same conditions yes?For example -...

I use the Sigma 30mm 1.4 because I like the way it looks rather than for outright low-light capability. I'd definitely try one before buying as some people discard it straight away and opt for a...

Do you even know what the point of a zoom is?btw - I've only got a Sigma 30mm myself.

Photographers are a fickle bunch and unless you have spades of cash hanging around many of us will buy and sell lenses almost continuously.I wouldn't assume that there is something wrong with a...

I know! It's almost vulgar how cheap Sigma have knocked these out for.

Look at other peoples photos and think about what it is about them that you like then try to copy what they have done to a certain extent then compare them with your photos.It's all about taking...

Oh dear me... No no no no no no!I'd definitely use a large format camera and a team of assistants for the same shot. Anything less is so small-time-blogger.

Something else you'll gain from a 40D body over the TSi is the fact that it feels like a quality camera, it's solid, can take the knocks and it a good balance in the hand when pared with a decent...